Hi,
The function func_num_args() doesn't accept any parameters, so calling
func_num_args($oClosure) is the same as calling simple func_num_args(). That's
why it returns 1 instead of 2, which is I think the expected and correct
behavior.
Gergo Erdosi
On Dec 21, 2011, at 24:43 , Mark wrote:
> Hi,
>
> Why is func_num_args not working on closures?
> Example code (tested on PHP 5.3.8):
>
> <?php
>
> class Test
> {
> public function testClosure($oClosure)
> {
> echo '<pre>';
> print_r(func_num_args($oClosure));
> echo '<pre>';
> }
> }
>
> $c = new Test();
> $c->testClosure(function($arg1, $arg2){
> });
>
> That returns 1 (the num of args in which function the closure is
> (testClosure), but not the number of args from the closure itself.
> Now Reflection can be used to get the number of args but that is overkill!
> Also when you would do print_r(func_get_args($oClosure)); you do get
> "something" back including the arguments but no way (that i know) to use
> them!
>
> Just something that i wonder...
> I would have expected num args to return the args of the function you
> provide it..
>
> Kind regards,
> Mark
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